haematology users' handbook - University College London Hospitals
haematology users' handbook - University College London Hospitals
haematology users' handbook - University College London Hospitals
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Routine Haematology (page 2 of 3)<br />
Test Specimen Type Reference<br />
ranges<br />
Fluid Count<br />
(e.g. Pleural,<br />
Ascitic, Knee fluid)<br />
Full Blood Count<br />
(FBC)<br />
Glandular Fever<br />
Screen<br />
Fluid to be<br />
taken into EDTA<br />
or 10 or 20ml<br />
sterile container<br />
4.5ml EDTA<br />
4.5ml EDTA<br />
Can be performed<br />
on FBC sample<br />
or a 4.5 / 7ml<br />
clotted sample<br />
Adult WBC:<br />
3-10 x10 9 l<br />
Neutrophils:<br />
2-7.5 x10 9 /l<br />
Haemoglobin:<br />
11.5-15.5g/dl (F)<br />
13-17 g/dl (M)<br />
MCV: 80-99 fl<br />
Platelets:<br />
150-400 x10 9 /l<br />
Key Factors<br />
affecting tests<br />
Delay in receiving<br />
sample<br />
Clot in sample<br />
Insufficient,<br />
Lipaemic or<br />
Icteric samples<br />
Delayed sample<br />
receipt<br />
Clot in sample<br />
Notes<br />
Please use “Urine/other”<br />
request form-specify type of<br />
fluid<br />
> 1ml blood required<br />
Sample must be received<br />
within 12 hrs of collection<br />
Lipaemic/icteric samples can<br />
affect performance of test and<br />
may delay results<br />
Test can be added on to<br />
existing FBC sample (time<br />
limit: 7 days)<br />
Out of<br />
hours<br />
service<br />
Service for<br />
clinically<br />
urgent<br />
requests<br />
Service for<br />
clinically<br />
urgent<br />
requests<br />
No service<br />
provided<br />
Time Limit for<br />
requesting<br />
additional<br />
tests from<br />
time of<br />
venesection<br />
Within 24<br />
hours<br />
Sample must<br />
be received in<br />
the laboratory<br />
within 12<br />
hours of<br />
collection<br />
Within 7 days<br />
Turnaround time<br />
from receipt of<br />
sample<br />
4 hrs<br />
Urgent:<br />
1 hr<br />
Urgent:<br />
2 hrs<br />
Nonurgent:<br />
8 hrs<br />
Nonurgent:<br />
24 hrs<br />
Immature Platelet<br />
Fraction<br />
Malaria Antigen<br />
Test<br />
4.5ml EDTA<br />
Can be performed<br />
on FBC sample<br />
4.5ml EDTA<br />
Can be performed<br />
on FBC sample)<br />
Clot in sample<br />
Delayed sample<br />
receipt<br />
Clot in sample<br />
Test can be added on to<br />
existing FBC sample<br />
All samples for malaria<br />
antigen tests are referred to<br />
Parasitology for confirmation<br />
-Please send requests for<br />
malaria parasite films and<br />
% parasitaemia directly to<br />
Parasitology laboratory<br />
Service for<br />
clinically<br />
urgent<br />
requests<br />
Service for<br />
clinically<br />
urgent<br />
requests<br />
Within 24<br />
hours<br />
8 hrs<br />
Urgent:<br />
1hr<br />
Nonurgent:<br />
8 hrs<br />
HAEM-PD-UserHbook V8 Haematology and Blood Transfusion User Handbook Page 11 of 38<br />
Authors: Karen Orfinada (Senior Biomedical Scientist)<br />
Sally McDonald (Senior Biomedical Scientist) Authorised by: Dave Barnett Review Date: August 2015
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